Transcript General Materialx

FTC
Build a Better Robot
Cougar Robotics 4251
Game Analysis
Points! Points! Points!
• Where are the points?
• What are the limits?
• Are there unlimited points opportunities?
o
Like lifting in Bowled Over!
Time
•
•
How long will things take?
Are there low/no value goals that will simply
waste time?
Other Robots
• How easy will defense be?
o
Rack was easy to defend in Ring It Up!
• How many robots does it take to accomplish
a given task?
o
Lifting in Ring It Up!
Your Robot
• What qualities should a robot have, let’s take
drivetrain for example
o
Ring It Up! - powerful, hold/take a position in
front of rack

o
Bowled Over - agility, speed more important than
power

o
Scoring opportunities space constrained
Scoring opportunities all over the field
Get Over It! - drive train that could navigate all
the terrain.
Design Principles and Strategies
Design Principles and Strategies
• KISS
o
Keep It Super Simple
o
Never go backwards
• Tool Design First
• Leapfrog Development
• Repetitive Testing
Repetitive Testing
o Repetitive Testing
o Repetitive Testing
o
• Competitive Development
Heartbeat
• Using a twitching servo before both
•
•
•
•
autonomous and tele-op as a heartbeat
A proactive robot health check so you can
know when to call for a power cycle
Last controller on the daisy chain
We did this last year, but the rules have
changed so we can’t do this
What can we do instead?
Heartbeat
Checklists
• Checklist on body of
•
robot for field setup
Checklist in pit for
between match
maintenance
Checklists
Anderson Powerpoles®
• Tamiya vs Powerpole®
Powerpole® is a registered trademark of Anderson Power Products®
Samantha Bracket
Grounding Chains
• Build your own grounding chains
Grounding
• Ground the frame
• Connect the frame
• Plastic acts as a capacitor
• Ground your plastic
• Ground your electronics
Build a Static Detector
•
•
•
•
•
•
•
•
Battery Case -$1.15
Resistor - $0.03
Capacitor - $0.07
Switch - $0.25
Transistor - $0.33
Connecters – $0.26
LED – $0.01
Total - $2.10
Electronics Testing
Useful Websites
•
•
•
•
•
•
Official Game Forum
o http://ftcforum.usfirst.org/forum.php
Chief Delphi
o http://www.chiefdelphi.com/forums/forumdisplay.php?f=146
ROBOTC Forum
o http://www.robotc.net/forums/viewforum.php?f=52
Xander Soldaat
o http://botbench.com/blog/
Cougar Robotics
o http://cougarrobot.com/
Landroids
o http://landroids.org
More Useful Websites
•
Hitechnic
o
•
Lego Education
o
•
http://www.legoeducation.us/
Digikey
o
•
http://www.hitechnic.com/
http://www.digikey.com/
McMaster-Carr
Contact Information
• Coach Jamie- [email protected]
• Coach Judy- [email protected]
• Kids– [email protected]
– [email protected]
– [email protected]
– [email protected]
– [email protected]